Avast Software is a leader in cybersecurity products for consumers and businesses. As one of the largest security companies in the world, it uses next-gen technologies to fight cyber-attacks in real time. The company differs from other next-gen companies in that it has an immense cloud-based machine learning engine that receives a constant stream of data from more than 400 million users, which facilitates learning at unprecedented speeds and makes the artificial intelligence engine smarter and faster than anyone else’s.

Malware Researcher

We are looking for a flexible “white hat”, who would like to participate in malware (virus, worm etc.) analysis for our virus lab. Suitable for self-motivated people with good logical and analytical skills, knowledge of algorithmization and similar background. Are you a technical university student? No problem. You’ve got a chance to join us for a part-time job, work with modern technologies and become a really professional malware fighter. Do you want to make such personal progress? Don’t hesitate and give it a try, if you fit the following criteria:

Main responsibilities:

  • Malware analysis
  • Writing of detection routines for analyzed malware
  • Analysis of exploits (local and network based)
  • Authoring of unpacking routines for the Avast antivirus engine
  • Design and implementation of heuristics

Required skills/knowledge:

  • x86/x64 assembler, debugging tools and decompilers (e.g. OllyDbg, IDA...), Windows Internals
  • Experience with reverse engineering
  • Time flexibility
  • Active English communication skills
  • Enthusiasm, good self-motivation
  • Some keywords: bytecode, base64, RC4, Unescape, DocumentWrite, CVE, MZ, PE, rootkit, emulation, memory dump, WinAPI, sandbox, CAFEBABE, ELF, /etc/hosts, FEEDFACE, honeypot, botnet…

Beneficial knowledge:

  • Java & Dalvik decompilation and analysis
  • YARA knowledge
  • JavaScript and HTML (recognition of suspicious scripts)
  • Flash (ActionScript) analysis
  • ELF, Mach-O, Fat-O thorough knowledge
  • Experience with continuous deployment
  • Experience with virtual environments/containers

Preferred skills/knowledge:

  • Knowledge of typical malware methodologies and behaviour
  • Experience with kernel-mode code (rootkits etc.)
  • Experience with manual removal of malware and unwanted apps (Win, Android, Mac)
  • Knowledge of Python, Perl (or some scripting language)
  • Knowledge of safe coding in C/C++ and code optimization
  • The successful candidate will have at least a secondary school education; a University degree in a technical subject would be an advantage.

What we offer:

  • Great benefits: food and drink provided all day by the company, game room, music studio, fitness center, golf simulator, library, great training system and much more
  • Flexible working hours, home office
  • Cafeteria benefit system, multisport card
  • 25 days of holiday, 5 sick days
  • The chance to join a major global tech company
  • Many opportunities for professional growth
  • Amazing and truly international work environment

Sounds like fun? We look forward to hearing from you!

Informace o pozici

AVAST Software s.r.o.
Pikrtova 1737/1a, Praha – Nusle
Required education: University
Required languages: English (Intermediate)
Benefits: Flexible start/end of working hours, Educational courses, training, Refreshments on workplace, Corporate events, Dog-friendly office, Children-friendly office
Listed in: IS/IT: Application and system development, IS/IT: Consultations, analyses, and project management, IS/IT: System and HW administration
Employment form
Employment form: Full-time work
Contract duration
Contract duration: Permanent
Employment contract
Employment contract: employment contract
Employer type: Employer

AVAST Software s.r.o., Martina Nižaradzeová
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